Ask A Dentist: Facts To Sink Your Teeth Into

from National Public Radio

An apple a day keeps the doctor away. And, it turns out, the dentist--because that fibery skin is good for your teeth. Dentists Mark Ryder of the University of California San Francisco and Mark Wolff of New York University answer your toothy questions in this episode of our "Ask an expert" series.

Broadcast Dates

• Talk of the Nation, February 22, 2013